diff --git a/benches/asting.rs b/benches/asting.rs
index 74e404f..3e8d755 100644
--- a/benches/asting.rs
+++ b/benches/asting.rs
@@ -1,5 +1,3 @@
-#![allow(missing_docs)]
-
 use criterion::BenchmarkId;
 use criterion::Criterion;
 use criterion::criterion_group;
diff --git a/benches/parsing.rs b/benches/parsing.rs
index 455a964..20548e6 100644
--- a/benches/parsing.rs
+++ b/benches/parsing.rs
@@ -1,5 +1,3 @@
-#![allow(missing_docs)]
-
 use criterion::BenchmarkId;
 use criterion::Criterion;
 use criterion::criterion_group;
diff --git a/src/compiler/mod.rs b/src/compiler/mod.rs
index 59a7791..7f8cddd 100644
--- a/src/compiler/mod.rs
+++ b/src/compiler/mod.rs
@@ -63,7 +63,7 @@ pub enum Instruction {
         slot: VariableSlot,
     },
     PushScope {
-        #[allow(unused)]
+        #[expect(unused)]
         inherit_parent: bool,
     },
     Abort,
diff --git a/src/errors.rs b/src/errors.rs
index 9d843ad..427a343 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -5,13 +5,11 @@ use annotate_snippets::Level;
 use annotate_snippets::Renderer;
 use annotate_snippets::Snippet;
 use thiserror::Error;
-use winnow::stream::Offset;
 
 use crate::input::NomoInput;
 use crate::lexer::ParseError;
 use crate::parser::AstError;
 
-/// An error occurred while producing an Ast
 #[derive(Debug, Error)]
 pub struct AstFailure {
     errors: Vec<AstError>,
@@ -28,7 +26,6 @@ impl AstFailure {
         AstFailure { errors }
     }
 
-    /// Create a CLI printable report
     pub fn to_report(&self, source: &str) -> String {
         let reports = self
             .errors
@@ -41,14 +38,12 @@ impl AstFailure {
                             .as_deref()
                             .unwrap_or("An error occurred while producing an Ast"),
                     )
-                    .element(annotate_snippets::Snippet::source(source).annotation(
-                        annotate_snippets::AnnotationKind::Primary.span(
-                            constrain_without_whitespace(
-                                source,
-                                error.span.clone().map(|s| s.range).unwrap_or_else(|| 0..0),
-                            ),
+                    .element(
+                        annotate_snippets::Snippet::source(source).annotation(
+                            annotate_snippets::AnnotationKind::Primary
+                                .span(error.span.clone().map(|s| s.range).unwrap_or_else(|| 0..0)),
                         ),
-                    ))
+                    )
                     .elements(
                         error
                             .help
@@ -64,18 +59,6 @@ impl AstFailure {
     }
 }
 
-fn constrain_without_whitespace(
-    input: &str,
-    range: std::ops::Range<usize>,
-) -> std::ops::Range<usize> {
-    let trimmed = input[range].trim();
-    let start = trimmed.offset_from(&input);
-    let end = start + trimmed.len();
-
-    start..end
-}
-
-/// An error occurred during lexing
 #[derive(Debug, Error)]
 pub struct ParseFailure {
     input: Arc<str>,
@@ -96,7 +79,6 @@ impl ParseFailure {
         }
     }
 
-    /// Produce a CLi printable report
     pub fn to_report(&self) -> String {
         let reports = self
             .errors
diff --git a/src/functions.rs b/src/functions.rs
index 1a2883d..8eb33d2 100644
--- a/src/functions.rs
+++ b/src/functions.rs
@@ -34,7 +34,6 @@ pub trait NomoFunction<T>: 'static + Send + Sync {
 
 #[cfg(feature = "unstable-pub")]
 #[derive(Default)]
-#[expect(missing_docs)]
 pub struct FunctionMap {
     funcs: HashMap<String, ErasedNomoFunction>,
 }
@@ -46,7 +45,6 @@ pub(crate) struct FunctionMap {
 }
 
 impl FunctionMap {
-    #[expect(missing_docs)]
     pub fn register<NF: NomoFunction<T>, T>(&mut self, name: impl Into<String>, func: NF) {
         self.funcs
             .insert(name.into(), ErasedNomoFunction::erase(func));
diff --git a/src/lexer/mod.rs b/src/lexer/mod.rs
index 94daf26..65872b7 100644
--- a/src/lexer/mod.rs
+++ b/src/lexer/mod.rs
@@ -1,3 +1,10 @@
+use std::sync::Arc;
+
+use annotate_snippets::AnnotationKind;
+use annotate_snippets::Level;
+use annotate_snippets::Renderer;
+use annotate_snippets::Snippet;
+use thiserror::Error;
 use winnow::LocatingSlice;
 use winnow::Parser;
 use winnow::RecoverableParser;
diff --git a/src/lib.rs b/src/lib.rs
index b4b047e..b16d474 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -113,7 +113,6 @@ macro_rules! unstable_pub {
     ($(#[$m:meta])* mod $name:ident) => {
         $(#[$m])*
         #[cfg(feature = "unstable-pub")]
-        #[allow(missing_docs)]
         pub mod $name;
         #[cfg(not(feature = "unstable-pub"))]
         mod $name;
@@ -137,7 +136,7 @@ unstable_pub!(
     mod parser
 );
 
-/// Errors in this library
+/// Nomo Functions
 pub mod errors;
 
 /// Nomo Functions
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 5763f45..73cc0b2 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -104,14 +104,13 @@ impl FromRecoverableError<Input<'_>, AstError> for AstError {
                 .filter(|t| t.kind() != TokenKind::Whitespace);
             let last = tokens.next();
             let first = tokens.last();
-
             match (last, first) {
                 (None, None) => None,
                 (None, Some(single)) | (Some(single), None) => Some(SourceSpan {
                     range: single.source().get_range(),
                 }),
                 (Some(last), Some(first)) => {
-                    let start = first.source().get_range().end;
+                    let start = first.source().get_range().start;
                     let end = last.source().get_range().end;
 
                     Some(SourceSpan { range: start..end })
@@ -213,7 +212,7 @@ pub enum TemplateAstExpr<'input> {
     ElseConditional {
         expression: Option<Box<TemplateAstExpr<'input>>>,
     },
-    #[allow(unused)]
+    #[expect(unused)]
     Invalid(&'input [TemplateToken]),
     MathOperation {
         op: TokenOperator,
@@ -312,7 +311,7 @@ fn parse_action<'input>(input: &mut Input<'input>) -> Result<TemplateAstExpr<'in
             (parse_block(
                 cut_err(not(repeat_till(
                     0..,
-                    parse_expression,
+                    any,
                     peek((ws, TokenKind::RightDelim)),
                 )
                 .map(|((), _)| ())))
@@ -343,7 +342,7 @@ fn parse_for_chain<'input>(input: &mut Input<'input>) -> Result<TemplateAstExpr<
 
         let (content, taken) = resume_after_cut(
             repeat_till(0.., parse_ast, loop_end),
-            repeat_till(0.., parse_ast, parse_end).map(|((), _)| ()),
+            repeat_till(0.., any, parse_end).map(|((), _)| ()),
         )
         .with_taken()
         .parse_next(input)?;
@@ -373,11 +372,9 @@ fn parse_for_loop<'input>(input: &mut Input<'input>) -> Result<TemplateAstExpr<'
                 ws,
                 TokenKind::For,
                 ws,
-                cut_err(TokenKind::Ident.context(AstError::ctx().msg("Expected identifier here"))),
+                TokenKind::Ident,
                 ws,
-                cut_err(
-                    TokenKind::In.context(AstError::ctx().msg("Missing `in` in `for _ in <expr>`")),
-                ),
+                TokenKind::In,
                 ws,
                 parse_expression.map(Box::new),
             )
@@ -604,34 +601,11 @@ where
 fn parse_operand<'input>(input: &mut Input<'input>) -> Result<TemplateAstExpr<'input>, AstError> {
     trace(
         "operand",
-        alt((
-            parse_keywords_fail,
-            parse_function,
-            parse_variable_access,
-            parse_literal,
-        )),
+        alt((parse_function, parse_variable_access, parse_literal)),
     )
     .parse_next(input)
 }
 
-fn parse_keywords_fail<'input>(
-    input: &mut Input<'input>,
-) -> Result<TemplateAstExpr<'input>, AstError> {
-    let value = alt((
-        TokenKind::ConditionalIf,
-        TokenKind::For,
-        TokenKind::End,
-        TokenKind::In,
-    ))
-    .take()
-    .map(TemplateAstExpr::Invalid)
-    .parse_next(input)?;
-
-    cut_err(fail::<_, (), _>.context(AstError::ctx().msg("Found literal, expected expression")))
-        .value(value)
-        .parse_next(input)
-}
-
 fn parse_literal<'input>(input: &mut Input<'input>) -> Result<TemplateAstExpr<'input>, AstError> {
     trace(
         "literal",
@@ -921,7 +895,7 @@ mod tests {
                     help: None,
                     span: Some(
                         SourceSpan {
-                            range: 2..6,
+                            range: 0..6,
                         },
                     ),
                     is_fatal: false,
diff --git a/tests/checks.rs b/tests/checks.rs
index 35e0976..200ac20 100644
--- a/tests/checks.rs
+++ b/tests/checks.rs
@@ -1,5 +1,3 @@
-#![allow(missing_docs)]
-
 #[test]
 fn check_files() {
     let files = std::fs::read_dir("tests/checks/").unwrap();
diff --git a/tests/errors/invalid_controls.1-parsed.snap b/tests/errors/invalid_controls.1-parsed.snap
deleted file mode 100644
index 13fc397..0000000
--- a/tests/errors/invalid_controls.1-parsed.snap
+++ /dev/null
@@ -1,106 +0,0 @@
----
-source: tests/file_tests.rs
-expression: parsed
-info:
-  input: "{{ if }} {{ end }}\n{{ if if }} {{ end }}\n{{ if if }} {{ for foo in bar }} {{ end }} {{ end }}\n{{ for in bar }} {{ end }}\n{{ for blah bar }} {{ end }}\n{{ else }}"
-  context: {}
----
-ParsedTemplate {
-    tokens: [
-        [LeftDelim]"{{" (0..2),
-        [Whitespace]" " (2..3),
-        [ConditionalIf]"if" (3..5),
-        [Whitespace]" " (5..6),
-        [RightDelim]"}}" (6..8),
-        [Whitespace]" " (8..9),
-        [LeftDelim]"{{" (9..11),
-        [Whitespace]" " (11..12),
-        [End]"end" (12..15),
-        [Whitespace]" " (15..16),
-        [RightDelim]"}}" (16..18),
-        [Whitespace]"\n" (18..19),
-        [LeftDelim]"{{" (19..21),
-        [Whitespace]" " (21..22),
-        [ConditionalIf]"if" (22..24),
-        [Whitespace]" " (24..25),
-        [ConditionalIf]"if" (25..27),
-        [Whitespace]" " (27..28),
-        [RightDelim]"}}" (28..30),
-        [Whitespace]" " (30..31),
-        [LeftDelim]"{{" (31..33),
-        [Whitespace]" " (33..34),
-        [End]"end" (34..37),
-        [Whitespace]" " (37..38),
-        [RightDelim]"}}" (38..40),
-        [Whitespace]"\n" (40..41),
-        [LeftDelim]"{{" (41..43),
-        [Whitespace]" " (43..44),
-        [ConditionalIf]"if" (44..46),
-        [Whitespace]" " (46..47),
-        [ConditionalIf]"if" (47..49),
-        [Whitespace]" " (49..50),
-        [RightDelim]"}}" (50..52),
-        [Whitespace]" " (52..53),
-        [LeftDelim]"{{" (53..55),
-        [Whitespace]" " (55..56),
-        [For]"for" (56..59),
-        [Whitespace]" " (59..60),
-        [Ident]"foo" (60..63),
-        [Whitespace]" " (63..64),
-        [In]"in" (64..66),
-        [Whitespace]" " (66..67),
-        [Ident]"bar" (67..70),
-        [Whitespace]" " (70..71),
-        [RightDelim]"}}" (71..73),
-        [Whitespace]" " (73..74),
-        [LeftDelim]"{{" (74..76),
-        [Whitespace]" " (76..77),
-        [End]"end" (77..80),
-        [Whitespace]" " (80..81),
-        [RightDelim]"}}" (81..83),
-        [Whitespace]" " (83..84),
-        [LeftDelim]"{{" (84..86),
-        [Whitespace]" " (86..87),
-        [End]"end" (87..90),
-        [Whitespace]" " (90..91),
-        [RightDelim]"}}" (91..93),
-        [Whitespace]"\n" (93..94),
-        [LeftDelim]"{{" (94..96),
-        [Whitespace]" " (96..97),
-        [For]"for" (97..100),
-        [Whitespace]" " (100..101),
-        [In]"in" (101..103),
-        [Whitespace]" " (103..104),
-        [Ident]"bar" (104..107),
-        [Whitespace]" " (107..108),
-        [RightDelim]"}}" (108..110),
-        [Whitespace]" " (110..111),
-        [LeftDelim]"{{" (111..113),
-        [Whitespace]" " (113..114),
-        [End]"end" (114..117),
-        [Whitespace]" " (117..118),
-        [RightDelim]"}}" (118..120),
-        [Whitespace]"\n" (120..121),
-        [LeftDelim]"{{" (121..123),
-        [Whitespace]" " (123..124),
-        [For]"for" (124..127),
-        [Whitespace]" " (127..128),
-        [Ident]"blah" (128..132),
-        [Whitespace]" " (132..133),
-        [Ident]"bar" (133..136),
-        [Whitespace]" " (136..137),
-        [RightDelim]"}}" (137..139),
-        [Whitespace]" " (139..140),
-        [LeftDelim]"{{" (140..142),
-        [Whitespace]" " (142..143),
-        [End]"end" (143..146),
-        [Whitespace]" " (146..147),
-        [RightDelim]"}}" (147..149),
-        [Whitespace]"\n" (149..150),
-        [LeftDelim]"{{" (150..152),
-        [Whitespace]" " (152..153),
-        [ConditionalElse]"else" (153..157),
-        [Whitespace]" " (157..158),
-        [RightDelim]"}}" (158..160),
-    ],
-}
diff --git a/tests/errors/invalid_controls.2-ast.snap b/tests/errors/invalid_controls.2-ast.snap
deleted file mode 100644
index 265172d..0000000
--- a/tests/errors/invalid_controls.2-ast.snap
+++ /dev/null
@@ -1,32 +0,0 @@
----
-source: tests/file_tests.rs
-expression: ast
-info:
-  input: "{{ if }} {{ end }}\n{{ if if }} {{ end }}\n{{ if if }} {{ for foo in bar }} {{ end }} {{ end }}\n{{ for in bar }} {{ end }}\n{{ for blah bar }} {{ end }}\n{{ else }}"
-  context: {}
----
-error: Expected an expression after 'if'
-  ╭▸ 
-1 │ {{ if }} {{ end }}
-  │    ━━
-  ╰╴
-error: Expected an expression after 'if'
-  ╭▸ 
-2 │ {{ if if }} {{ end }}
-  ╰╴      ━━
-error: Expected an expression after 'if'
-  ╭▸ 
-3 │ {{ if if }} {{ for foo in bar }} {{ end }} {{ end }}
-  ╰╴      ━━
-error: Expected identifier here
-  ╭▸ 
-4 │ {{ for in bar }} {{ end }}
-  ╰╴       ━━━━━━
-error: Missing `in` in `for _ in <expr>`
-  ╭▸ 
-5 │ {{ for blah bar }} {{ end }}
-  ╰╴       ━━━━━━━━
-error: An error occurred while producing an Ast
-  ╭▸ 
-6 │ {{ else }}
-  ╰╴   ━━━━━━━
diff --git a/tests/errors/invalid_controls.nomo b/tests/errors/invalid_controls.nomo
deleted file mode 100644
index f64a1b2..0000000
--- a/tests/errors/invalid_controls.nomo
+++ /dev/null
@@ -1,8 +0,0 @@
-{}
----
-{{ if }} {{ end }}
-{{ if if }} {{ end }}
-{{ if if }} {{ for foo in bar }} {{ end }} {{ end }}
-{{ for in bar }} {{ end }}
-{{ for blah bar }} {{ end }}
-{{ else }}
\ No newline at end of file
diff --git a/tests/errors/invalid_if.1-parsed.snap b/tests/errors/invalid_if.1-parsed.snap
deleted file mode 100644
index 7c8ec1a..0000000
--- a/tests/errors/invalid_if.1-parsed.snap
+++ /dev/null
@@ -1,24 +0,0 @@
----
-source: tests/file_tests.rs
-expression: parsed
-info:
-  input: "{{ if if }} {{ end }}"
-  context: {}
----
-ParsedTemplate {
-    tokens: [
-        [LeftDelim]"{{" (0..2),
-        [Whitespace]" " (2..3),
-        [ConditionalIf]"if" (3..5),
-        [Whitespace]" " (5..6),
-        [ConditionalIf]"if" (6..8),
-        [Whitespace]" " (8..9),
-        [RightDelim]"}}" (9..11),
-        [Whitespace]" " (11..12),
-        [LeftDelim]"{{" (12..14),
-        [Whitespace]" " (14..15),
-        [End]"end" (15..18),
-        [Whitespace]" " (18..19),
-        [RightDelim]"}}" (19..21),
-    ],
-}
diff --git a/tests/errors/invalid_if.2-ast.snap b/tests/errors/invalid_if.2-ast.snap
deleted file mode 100644
index b1781a4..0000000
--- a/tests/errors/invalid_if.2-ast.snap
+++ /dev/null
@@ -1,11 +0,0 @@
----
-source: tests/file_tests.rs
-expression: ast
-info:
-  input: "{{ if if }} {{ end }}"
-  context: {}
----
-error: Expected an expression after 'if'
-  ╭▸ 
-1 │ {{ if if }} {{ end }}
-  ╰╴      ━━
diff --git a/tests/errors/invalid_if.nomo b/tests/errors/invalid_if.nomo
deleted file mode 100644
index 7a492ca..0000000
--- a/tests/errors/invalid_if.nomo
+++ /dev/null
@@ -1,3 +0,0 @@
-{}
----
-{{ if if }} {{ end }}
\ No newline at end of file
diff --git a/tests/file_tests.rs b/tests/file_tests.rs
index 5f5b325..b26c356 100644
--- a/tests/file_tests.rs
+++ b/tests/file_tests.rs
@@ -1,5 +1,3 @@
-#![allow(missing_docs)]
-
 use std::collections::HashMap;
 use std::path::Path;
 
@@ -8,8 +6,6 @@ use nomo::functions::FunctionMap;
 
 test_each_file::test_each_path! { for ["nomo"] in "./tests/cases/" as cases => check_for_input }
 
-test_each_file::test_each_path! { for ["nomo"] in "./tests/errors/" as error_cases => check_errors }
-
 #[derive(serde::Serialize)]
 struct Info {
     input: String,
@@ -67,67 +63,3 @@ fn check_for_input([path]: [&Path; 1]) {
 
     insta::assert_debug_snapshot!(format!("{basename}.4-output"), output);
 }
-
-fn check_errors([path]: [&Path; 1]) {
-    let mut settings = insta::Settings::clone_current();
-    settings.set_snapshot_path("errors");
-    settings.set_prepend_module_to_snapshot(false);
-
-    let basename = path.file_stem().unwrap().to_string_lossy();
-    let input = std::fs::read_to_string(path).unwrap();
-
-    let (context, input) = input.split_once("\n---\n").unwrap_or_else(|| ("", &input));
-
-    let map = if !context.is_empty() {
-        serde_json::from_str::<HashMap<String, serde_json::Value>>(context).unwrap()
-    } else {
-        HashMap::new()
-    };
-
-    settings.set_info(&Info {
-        input: input.to_string(),
-        context: map.clone(),
-    });
-
-    let mut context = Context::new();
-
-    for (k, v) in map {
-        context.try_insert(k, v).unwrap();
-    }
-
-    let _guard = settings.bind_to_scope();
-
-    let parsed = nomo::lexer::parse(input.into()).map_err(|err| err.to_report());
-
-    match &parsed {
-        Ok(parsed) => insta::assert_debug_snapshot!(format!("{basename}.1-parsed"), parsed),
-        Err(parsed) => insta::assert_snapshot!(format!("{basename}.1-parsed"), parsed),
-    }
-
-    let Ok(parsed) = parsed else {
-        return;
-    };
-
-    let ast = nomo::parser::parse(parsed.tokens()).map_err(|err| err.to_report(input));
-
-    match &ast {
-        Ok(ast) => insta::assert_debug_snapshot!(format!("{basename}.2-ast"), ast),
-        Err(ast) => insta::assert_snapshot!(format!("{basename}.2-ast"), ast),
-    }
-
-    let Ok(ast) = ast else {
-        return;
-    };
-
-    let emit = nomo::compiler::emit_machine(ast);
-
-    insta::assert_debug_snapshot!(format!("{basename}.3-instructions"), emit);
-
-    let output = nomo::eval::execute(&FunctionMap::default(), &emit, &context)
-        .map_err(|err| err.to_string());
-
-    match &output {
-        Ok(output) => insta::assert_debug_snapshot!(format!("{basename}.4-output"), output),
-        Err(output) => insta::assert_snapshot!(format!("{basename}.4-output"), output),
-    }
-}